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प्रश्न
Which part of the digestive canal is involved in:
Formation of faeces ______.
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उत्तर
Formation of faeces large intestine.
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संबंधित प्रश्न
How is the small intestine designed to absorb digested food?
What is the role of saliva in the digestion of food?
Fat is completely digested in the ______.
Which part of the digestive canal is involved in:
Killing of bacteria ______.
What is the special name of the contraction and expansion movement which pushes the food further in our digestive tract (or alimentary canal)?
Which part of alimentary canal receives bile from the liver?
| If the teeth are not cleaned regularly, they become covered with a sticky yellowish layer W of food particles and bacteria. Since layer W covers the teeth, the alkaline liquid X secreted by glands Y inside the mouth cannot reach the teeth surface to neutralise the acid formed by the action of organisms Z on sugary food, and hence tooth decay sets in. |
- What is W known as?
- What are (i) X and (ii) Y?
- What are organisms Z?
- State one way of removing layer W from the teeth.
The teeth called canines are a total of four in number on the sides of ______.
Define the term ‘digestion’.
Find the odd one out. Give reasons for your choice.
Observe the diagram given alongside and answer the following:
- Name the parts numbered 1-8.
- Which parts shown in the diagram are non-living?
- Is the tooth suited for cutting, tearing or grinding?
- What is the function of parts 8 and 7?
- What is the total number of teeth present in adult human beings?
- Write the dental formula of human beings.
Mark odd one in the series:
Correct the spellings: Pespin
The question has four options. Choose the correct answer:
Uvula can close the opening of
The question has four options. Choose the correct answer:
Common passage for swallowing food and breathing is
Answer the following question.
Small Intestine is very long and coiled. Even if we jump and run, why it does not get twisted? What can happen if it gets twisted?
Write down the explanation.
Explain why human dentition is considered as thecodont, diphydont and heterodont.
Why it is important to wear helmet while riding a bike?
Analogy
Enzymes: Digestive glands:: _______: Endocrine glands.
State whether true or false. If false, correct the statement.
During digestion, proteins are broken down into amino acids.
